Hot air hair waving device



Oct. 20, 1931. H. KAHLHOFER HOT AIR HAIR WAVING DEVICE Filed March 26,1931 III! I abhywwg S l .Patented Oct. 20, 1931 r nN TE-o STATES .HEINZKAHLHOFER, o v'r imgltsrem; e nor AIR HAIR Application filed. March26,1931, Serial NOE- 255452, a r-. jj mersngues, i929. f

This invention relatesto hair Waving dechamberIofUsectionintotheinter-ior space vices, p r ofglwhieh' the curler'2" onthe hair clip :3 is

Hot air hair waving devices in'which. the Ep'lacedinisuch' a manner thatafter preparahair curlers are heated by'hot air conducted tion}of=ithesurface curler theheating 'chaml5 through heating chambers shut ofi fromthe bergis ressed-thereove rl Thisheatingchamcurlers so that no hot aircan stream over her or hot air conduit-consistsof apair; of them, areknown. The present invention reconcentric walls: 8 an d 9, 8 being theinner 'lates to a novel method of constructing heat: .-wal l and 9 theouter wall; Thes'ekwalls'are ing chambers in apparatus of this kind. I'spac'edand'the spaces between the end edges 10 According to theinvention the heating. are-"clo'sed'by end walls'xlO while the spac'es'chamber is built up of a closed hollow body between-the side" edgesare"clos ed 'by e'dge so shaped as to form a longitudinally ex-'WallS-l1. The-hollowf'space 4 of'the closed tending recess adapted forreceiving a curler heating' chainber l is heated withihot air, the

so that theheating chamber may be pressed airstreamingthrough the middlesleeve 5 i 15 over the prepared hair curler. I into the middle of thechamber and divides A feature of the invention consists in thetherein(seearrows) and leaves the chamber construction of the heatingchamber. in U throughgthe openings 6 at the ends thereof. ti i Forincreasing the length of the heating air A further feature of theinvention compath the chamber isprovided with intermeprises a specialarrangement of the interior diate walls 7 which reach nearly to the baseof the heating ch mb r, The walls 7 form baflles and it-will be noted 1With the known devices, the hair is either that these walls are heldbetween the central .pressed directly between the ribbed surfaces partsof the arcs of the walls Sand 9, but 1' i of the heating chambers, or,'when curlers that their ends terminate in spacedrelation'; are used, itis pushed into the interior space to the edge walls 11. By thismeans-the air of the tube-like heating chamber. The presenters thesleeve or inlet opening 5, flows ent invention, however, has theadvantage own ar Il the ends 0f thebaflies 7 and over the knownarrangements in that the then up to pass out of the outlet openings 6. Iheating chambers by reason of their special Obviouslythe hot air will bekept constantly form may be pressedover the prepared curlflowing throughthe conduit. while it is in er and may be attached thereto by clips orthe use, so that the space .within the inner. wall like. Further, thehot walls of-the'heating 8 will be kept properly heated. By thesechamberlie adjacent to the hair curler nearly means the heating mediumis conducted along entirely aroundit's outer surface, so that the adevious (path and a better warmth emission 5 apparatus is much easier tohandle than the is achieve p j 4 known devices in which the curler ispushed c- The length'of the heatingchamber and j t th h ti b d V b a thehollow space, formed :by'itsU section is Th i ti i Shown i th anygreater than thatoiithe curler so that this in}; drawings wherein 7 maybe received in its-entirety in the hollow r5961 v Figure 1 is a sectionon the line 11 of spacer Figure 2 showing only the hot air conduit. Iclaim is: s V V Figure 2 is a section'on the line 22 of 1. A heater forhair curlers consisting .ofa.

Figure 3. i I Y r v i p pair of spacediwalls arc'uate in-crosssection,

' FigureB is a section on the line 3-3 of the inner of said walls beingim'perforate' 45 Figure 2. U throughout and the outer of'saidwalls ,hav:The heating chamber 1 is built up of a ingacentral inlet opening andfapair ofout closed hollow casing the shape of which -let openings,disposed eachiadjacent'fa respecs i being such that a longitudinallyextending tiveendoftheouter wall, end-walls entirely h recessis formed.In'the drawings I have 7. closing the-spaces betweentheends of the 7 ."fshown a preferred construction of a heating concentric walls, edgewallsentirelyelosing v tween the inlet opening and a respective outa thespaces between the lateral edges of the concentric walls, and 'bafileseach located belet opening, said battles each consisting of an arcuatewall fixed between the middle portions of the arcs of theconcentric'walls and terminating in spaced relation to the edge walls. I

2. The combination with hair curler and y a flat clip member projectingat its side edges laterally beyond the curler oneach side of a" hot airconduit of U-shaped cross section straddling the curler and having itsside edges resting on theprojecting portions of 1 the clip to form acurler chamber substantially semircircular in cross section, saidcomdult having itslnner face lmperiorate to pre vent escape ofair tovthecurler, said conduit a further having inlet and outlet openings;

3. A heater for liaircurlers consisting of V 7 a pair of spaced wallsarcuate in cross see.- I tion, the inner of said walls being imperforatethroughout and the outer of'said walls having a central-inlet openingand a pair of outlet openings disposed each adjacent a respective end ofthe outer wall, and walls entirely closing the spaces between the endsof the arcuate walls, and edge Walls entirely closing the spaces betweenthe lateral edges ,of. the arcuate walls. 1

HEINZ KAHLHOFER

